a(n)*a(n+3) - a(n+1)*a(n+2) = 5, given a(0)=a(1)=1, a(2)=6.

Terms

a(0) =1a(1) =1a(2) =6a(3) =11a(4) =71a(5) =131a(6) =846a(7) =1561a(8) =10081a(9) =18601a(10) =120126a(11) =221651a(12) =1431431a(13) =2641211a(14) =17057046a(15) =31472881a(16) =203253121a(17) =375033361a(18) =2421980406a(19) =4468927451a(20) =28860511751a(21) =53252096051a(22) =343904160606a(23) =634556225161